Here is a picture of what the stove will look like:
Further details about the stove itself are in this updated blog post from 2012.
The evening will include an introductory talk about some of the science and history of these stoves, which address the question of getting the most efficiency out of the unit. This is a true multi-fuel stove, suitable for also burning denatured alcohol and solid fuel tablets when wood is not available or is wet. Because of the hands- on nature of the class it will be limited to 8 people. Sign up!